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HD404899 Datasheet(PDF) 3 Page - Renesas Technology Corp |
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HD404899 Datasheet(HTML) 3 Page - Renesas Technology Corp |
3 / 202 page HD404889/HD404899/HD404878/ HD404868 Series Low-Voltage AS Microcomputers with On-Chip LCD Circuit ADE-202-075D (O) Rev. 5.0 Feb. 2000 Description The HD404889, HD404899, and HD404868 Series comprise low-voltage, 4-bit single-chip microcomputers with a variety of on-chip supporting functions that include an LCD circuit, A/D converter, multifunctional timers, and large-current I/O pins. These devices are suitable for system and display panel control in a wide range of applications, including pagers, remote controllers, and home appliances equipped with an LCD display. The HD404878 Series comprises low-voltage, 4-bit single-chip microcomputers with no on-chip A/D converter. Each series is equipped with a 32.768 kHz sub-resonator for realtime clock use, providing a time counting facility, and a variety of low-power modes to reduce current drain. The HD4074889, HD4074899, and HD4074869 are ZTAT™ microcomputers with on-chip PROM that drastically shortens development time and ensures a smooth transition from debugging to mass production. (The PROM programming specifications are the same as for the 27256 type.) ZTAT TM: Zero Turn-Around Time. ZTATTM is a trademark of Hitachi, Ltd. Features • 46 I/O pins (HD404889/HD404899/HD404878 Series) 41 I/O pins (HD404868 Series) Large-current I/O pins (source: 10 mA max.):4 Large-current I/O pins (sink: 15 mA max.): 8 (HD404889/HD404899/HD404878 Series) 6 (HD404868 Series) LCD segment multiplexed pins:16 Analog input multiplexed pins: 6 (HD404889 and HD404899 Series) 4 (HD404868 Series) |
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